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SIMCom SIM800C
SIM Tech SIMCom SIM800C User Manual
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Smar
t Machine Smart Decision
SIM800C_Hardware_Design_V1.00
54
2014-
10
-
30
Contact us:
Shanghai SIMCom Wireless Solutions Co.,Ltd.
Address:
Building
A,
SIM
Technology
Building,
No.
633,
Jinzhong
Road,
Shanghai,
P.
R.
China
200335
Tel: +86 21 3252 3300
Fax: +86 21 3252 3020
URL:
www.sim.com/wm
53
Table of Contents
Default Chapter
3
Table of Contents
3
Version History
8
1 Introduction
9
2 SIM800C Overview
9
Sim800C
9
SIM800C Key Features
9
Operating Mode
11
Functional Diagram
11
3 Package Information
13
Pin out Diagram
13
Pin Description
14
Package Dimensions
15
4 Application Interface
17
Power Supply
17
Power Supply Pin
18
Monitoring Power Supply
19
Power On/Down Scenarios
19
Power on SIM800C
19
Power down SIM800C
20
Power Saving Mode
22
Minimum Functionality Mode
22
Sleep Mode 1 (AT+CSCLK=1)
23
Wake up SIM800C from Sleep Mode 1
23
Sleep Mode 2 (AT+CSCLK=2)
23
Wake up SIM800C from Sleep Mode 2
23
Power Saving Mode
24
Serial Port and USB Interface
25
Function of Serial Port
25
Serial Interfaces
26
Debug Interface
28
Software Upgrade
29
UART1_RI Behaviors
29
Audio Interfaces
31
Speaker Interfaces Configuration
31
Microphone Interfaces Configuration
32
Audio Electronic Characteristic
32
Tdd
33
SIM Card Interface
33
SIM Card Application
33
SIM Card Design Guide
34
Design Considerations for SIM Card Holder
35
Adc
36
Network Status Indication
37
NETLIGHT Multiplexing Function
38
Operating Status Indication
38
STATUS Multiplexing Function
38
RF Synchronization Signal
38
RF_SYNC Multiplexing Function
39
Antenna Interface
39
GSM Antenna Interface
39
5 PCB Layout
41
Pin Assignment
41
Principle of PCB Layout
41
Antenna Interface
42
Power Supply
42
SIM Card Interface
42
Audio Interface
42
Others
42
6 Electrical, Reliability and Radio Characteristics
43
Absolute Maximum Ratings
43
Recommended Operating Conditions
43
Digital Interface Characteristics
43
SIM Card Interface Characteristics
43
SIM_VDD Characteristics
44
VDD_EXT Characteristics
44
VRTC Characteristics
44
Current Consumption (VBAT=4.0V)
44
Electro-Static Discharge
45
Radio Characteristics
46
Module RF Output Power
46
Module RF Receive Sensitivity
47
Module Operating Frequencies
47
7 Manufacturing
48
Top and Bottom View of SIM800C
48
Typical Solder Reflow Profile
48
The Moisture Sensitivity Level
49
Baking Requirements
49
8 Appendix
50
Related Documents
50
Multiplexing Function
51
Terms and Abbreviations
51
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SIM Tech SIMCom SIM800C Specifications
General
Brand
SIM Tech
Model
SIMCom SIM800C
Category
Control Unit
Language
English
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